When you build a prototype you don't necessarily want to go "all out" with the max speed/height/length/inversions until you know how it will work. Look at the first B&M flyers-- SUF at SFOG and Air at Alton Towers. They were proof of concept but not really pushing the limits. There's only so much computer modeling you can test, but you need a real world model to see where there are areas that still need tweaking.
Of course B&M is pretty thorough and have rarely had issues, even with prototypes, but there's always a chance...
Now, if everything works great and it gives a great ride experience, expect Cedar Point to roll out a bigger, better version in two years.